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Diffstat (limited to '')
| -rw-r--r-- | include/drivers/st/stm32_gpio.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/include/drivers/st/stm32_gpio.h b/include/drivers/st/stm32_gpio.h new file mode 100644 index 0000000..eeef9da --- /dev/null +++ b/include/drivers/st/stm32_gpio.h @@ -0,0 +1,63 @@ +/* + * Copyright (c) 2015-2022, STMicroelectronics - All Rights Reserved + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef STM32_GPIO_H +#define STM32_GPIO_H + +#include <lib/utils_def.h> + +#define GPIO_MODE_OFFSET U(0x00) +#define GPIO_TYPE_OFFSET U(0x04) +#define GPIO_SPEED_OFFSET U(0x08) +#define GPIO_PUPD_OFFSET U(0x0C) +#define GPIO_OD_OFFSET U(0x14) +#define GPIO_BSRR_OFFSET U(0x18) +#define GPIO_AFRL_OFFSET U(0x20) +#define GPIO_AFRH_OFFSET U(0x24) +#define GPIO_SECR_OFFSET U(0x30) + +#define GPIO_ALT_LOWER_LIMIT U(0x08) + +#define GPIO_PIN_(_x) U(_x) +#define GPIO_PIN_MAX GPIO_PIN_(15) + +#define GPIO_ALTERNATE_(_x) U(_x) +#define GPIO_ALTERNATE_MASK U(0x0F) + +#define GPIO_MODE_INPUT U(0x00) +#define GPIO_MODE_OUTPUT U(0x01) +#define GPIO_MODE_ALTERNATE U(0x02) +#define GPIO_MODE_ANALOG U(0x03) +#define GPIO_MODE_MASK U(0x03) + +#define GPIO_TYPE_PUSH_PULL U(0x00) +#define GPIO_TYPE_OPEN_DRAIN U(0x01) +#define GPIO_TYPE_MASK U(0x01) + +#define GPIO_SPEED_LOW U(0x00) +#define GPIO_SPEED_MEDIUM U(0x01) +#define GPIO_SPEED_HIGH U(0x02) +#define GPIO_SPEED_VERY_HIGH U(0x03) +#define GPIO_SPEED_MASK U(0x03) + +#define GPIO_NO_PULL U(0x00) +#define GPIO_PULL_UP U(0x01) +#define GPIO_PULL_DOWN U(0x02) +#define GPIO_PULL_MASK U(0x03) + +#define GPIO_OD_OUTPUT_LOW U(0x00) +#define GPIO_OD_OUTPUT_HIGH U(0x01) +#define GPIO_OD_MASK U(0x01) + +#ifndef __ASSEMBLER__ +#include <stdint.h> + +int dt_set_pinctrl_config(int node); +void set_gpio_secure_cfg(uint32_t bank, uint32_t pin, bool secure); +void set_gpio_reset_cfg(uint32_t bank, uint32_t pin); +#endif /*__ASSEMBLER__*/ + +#endif /* STM32_GPIO_H */ |